978024964

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{339121}}^1$

素因数の和:339235

約数の個数: 24

約数和(自身を含む): 1975046528

約数和(自身を除く): 997021564

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 339121, 678242, 1356484, 2373847, 4747694, 9495388, 34929463, 69858926, 139717852, 244506241, 489012482, 978024964]

約数ペア:

[(1, 978024964), (2, 489012482), (4, 244506241), (7, 139717852), (14, 69858926), (28, 34929463), (103, 9495388), (206, 4747694), (412, 2373847), (721, 1356484), (1442, 678242), (2884, 339121)]